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4431020253 = 311134273341
BaseRepresentation
bin1000010000001110…
…00000000011011101
3102102210202011002020
410020013000003131
533033320122003
62011404050353
7214543023252
oct41007000335
912383664066
104431020253
111974217110
12a37b339b9
1355800449a
143006b1429
151ae014d53
hex1081c00dd

4431020253 has 8 divisors (see below), whose sum is σ = 6445120416. Its totient is φ = 2685466800.

The previous prime is 4431020239. The next prime is 4431020257. The reversal of 4431020253 is 3520201344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4431020253 - 218 = 4430758109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431020257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67136638 + ... + 67136703.

It is an arithmetic number, because the mean of its divisors is an integer number (805640052).

Almost surely, 24431020253 is an apocalyptic number.

It is an amenable number.

4431020253 is a deficient number, since it is larger than the sum of its proper divisors (2014100163).

4431020253 is a wasteful number, since it uses less digits than its factorization.

4431020253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134273355.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4431020253 is about 66565.9090901642. The cubic root of 4431020253 is about 1642.4843683080.

Adding to 4431020253 its reverse (3520201344), we get a palindrome (7951221597).

The spelling of 4431020253 in words is "four billion, four hundred thirty-one million, twenty thousand, two hundred fifty-three".

Divisors: 1 3 11 33 134273341 402820023 1477006751 4431020253